22366-73-0

Upstream product

• 100-44-7 benzyl chloride 
• 638-21-1 phenylphosphane 
• 7650-90-0 dibenzylphenylphosphane 
• 20335-99-3 benzyl (phenyl)phosphine oxide 
• 66310-10-9 N-benzyl-2,4,6-triphenylpyridinium tetrafluoroborate 
• 100-42-5 styrene 

Downstream Products

• 101813-56-3 P,P'-Diphenyl-P,P'-dibenzyl-bisphosphin 
• 29949-68-6 benzyl-phenylchlorophosphine 
• 73187-99-2 4-Dimethylaminobenzyliden-bis-(phenyl-benzylphosphin) 
• 323584-29-8 (benzyl-phenyl-phosphanyl)-phenyl-methanol 
• 122270-80-8 {(R*,R*),(R*)}-(+/-)-(benzylphenylphosphine)(η5-cyclopentadienyl){1,2-phenylenebis(methylphenylphosphine)}iron(II) hexafluorophosphate monodichloromethane solvate 
• 122270-80-8 {(R*,R*),(S*)}-(+/-)-(benzylphenylphosphine)(η5-cyclopentadienyl){1,2-phenylenebis(methylphenylphosphine)}iron(II) hexafluorophosphate 
• 92556-45-1 Phenyl-benzyl-phosphinigsaeure-ethylester 
• 73188-02-0 {4-[Bis-(benzyl-phenyl-phosphinothioyl)-methyl]-phenyl}-dimethyl-amine 

Relevant academic research and scientific papers

Visible-Light-Promoted Unsymmetrical Phosphine Synthesis from Benzylamines

Herein, by applying visible-light photoredox catalysis, we have achieved the catalytic deaminative alkylation of diphenylphosphine and phenyl phosphine with benzylamine-derived Katritzky salts at room temperature. The use of Eosin Y as photoredox catalyst and visible light can largely promote the reaction. A series of unsymmetrical tertiary phosphines were successfully synthesized, including phosphines with three different substituents that are otherwise difficult to obtain.

Ni-Catalyzed Asymmetric Hydrophosphination of Unactivated Alkynes

The practical synthesis of P-stereogenic tertiary phosphines, which have wide applications in asymmetric catalysis, materials, and pharmaceutical chemistry, represents a significant challenge. A regio- and enantioselective hydrophosphination using cheap a

Bis(alkyl) scandium and yttrium complexes coordinated by an amidopyridinate ligand: Synthesis, characterization and catalytic performance in isoprene polymerization, hydroelementation and carbon dioxide hydrosilylation

New neutral bis(alkyl) Sc and Y complexes [N,Npy,N-]Ln(CH2SiMe3)2(THF)n [n = 0, Ln = Sc (1Sc), Y (1Y); n = 1, Ln = Y (1YTHF)] stabilized by a tridentate monoanionic amidopyridinate ligand were straightforwardly prepared by alkane elimination, upon mixing ligand [N,Npy,N-]H and metal precursor Ln(CH2SiMe3)3(THF)2 in toluene at 0 °C. Depending on the work-up conditions, yttrium bis(alkyl)s were isolated as either a pentacoordinate Lewis base free complex [N,Npy,N-]Y(CH2SiMe3)2 (1Y) or as a hexacoordinate THF adduct [N,Npy,N-]Y(CH2SiMe3)2THF (1YTHF). For the smaller Sc ion the only solvent-free complex [N,Npy,N-]Y(CH2SiMe3)2 (1Sc) was isolated as a pentacoordinate species irrespective of the reaction/work-up/crystallization conditions applied. Complexes 1Ln (Ln = Y, Sc) and 1YTHF were scrutinized as pre-catalysts in ternary catalytic systems Ln/borate/AliBu3 (borate = [HNMe2Ph][B(C6F5)4] or [Ph3C][B(C6F5)4]), applied to isoprene (IP) polymerization, providing moderate activity albeit high selectivity with predominant formation of 1,4-cis polyisoprene (up to 99%). The same complexes proved to be effcient catalysts also for the intermolecular hydrolelementation of styrene with various EH sustrates (pyrrolidine, morpholine, Ph2PH, PhPH2, PhSH) affording linear anti-Markovnikov addition products exclusively. After a preliminary activation by B(C6F5)3, selected bis(alkyl) complexes from this series have been finally used as valuable pre-catalysts for the CO2 hydrosylilation to CH4 in the presence of organosilanes as reducing agents (PhMe2SiH, PhSiH3, Et2MeSiH).

Synthesis and resolution of a new P-chiral hydroxy phosphine

The synthesis of the functionalized P-chiral phosphine BzPhP{CH(OH)Ph}and its resolution by palladium metallacycles is reported. The cyclopalladated compound containing the primary amine 1-(1-naphthyl)ethylamine has been shown to be a better resolving agent for this phosphine than the corresponding metallacycle containing the tertiary amine N,N-dimethyl-1-(1-naphthyl)ethylamine

Resolution of secondary phosphanes chiral at phosphorus by means of palladium metallacycles

The synthesis of new epimeric compounds [PdCl(C-N){(±)-PHPhR}] (C-N = (R)-C10H6CHMeNH2 and (R)-C6H4CHMeNH2, R = Me and PhCH2) containing chiral secondary phosphanes is reported. Some of these diastereomers can be separated by column chromatography; subsequent re- action of these complexes with 1,2-bis(diphenyiphosphanyl)-ethane (dppe) affords the free phosphanes PHBzPh and PHMePh. The configurational stability of the secondary phosphanes resolved has also been studied.

ZUR REAKTION VON PHOSPHORVERBINDUNGEN MIT SCHWESINGER BASEN-I P-C-BINDUNGKNUEPFUNG AN P-H-FUNKTIONELLEN PHOSPHORVERBINDUNGEN

Secondary and tertiary phosphines (RR'PH; R2R'P) may be synthesized by alkylation of primary or secondary phosphines with organo halides (R' = Et, n-C7H15, Bz, Me3Si; X = Cl, Br) in the presence of Schwesinger bases as auxillary bases in high yields.Alkylation of diphenylphosphine with alkylene dihalides and Schwesinger bases affords alkylendiphosphines. Key words: Alkylation; secondary and tertiary phosphines; Schwesinger bases.